Home / 5,556.84-7,655.25-3,875.19

Finding the Fourth Proportional to 5,556.84, 7,655.25 and 3,875.19

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Solution

The fourth proportional to 5,556.84, 7,655.25 and 3,875.19 is: 5,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.84 : 7,655.25 = 3,875.19 : x
  2. Step 2: Convert to fraction form
    5,556.84/7,655.25 = 3,875.19/x
  3. Step 3: Cross multiply
    5,556.84x = 7,655.25 × 3,875.19
  4. Step 4: Simplify right side
    5,556.84x = 29,665,548.25
  5. Step 5: Solve for x
    x = 29,665,548.25/5,556.84
  6. Step 6: Final answer
    x = 5,338.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.